Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cambridgeinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 20:44:51 UTC · ↺ Refresh
MX Hostnames
- cambridgeinc-com.mx1.arsmtp.com
- cambridgeinc-com.mx2.arsmtp.com
MX Priorities
- cambridgeinc-com.mx2.arsmtp.com: 20
- cambridgeinc-com.mx1.arsmtp.com: 10
A / AAAA Records
- 172.67.192.219 (no PTR)
- 104.21.20.124 (no PTR)
Mail Server IPs
- 8.19.118.160 ↩ server227.appriver.com
- 8.31.233.82 ↩ server226.appriver.com
SOA Record
Raw SOA
wanda.ns.cloudflare.com dns.cloudflare.com 2398781138 10000 2400 604800 1800
Primary NS (mname)
wanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398781138
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
wanda.ns.cloudflare.com
wesley.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:71.25.94.209 ip4:18.235.218.127 ip4:8.34.161.0/24 ip4:66.194.82.7 ip4:66.194.82.2 ip4:52.45.86.110 ip4:104.48.96.233 ip4:108.218.213.149 ip4:23.24.232.29 include:spf.protection.outlook.com include:spf.edgepilot.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- L9ZixoLKbXBGJbsMIt8jnh/V4nABrnowFtDqpaVtZ7k=
- MS=ms41023109
- apple-domain-verification=hQl33HQHFO7qlcAC
- google-site-verification=cCRGwzLbZ5GOQGFJOuEaRansd8_lfnuijm8h0qI6A1A
- nv3tjxR1YBj/csug8qmjCo1HGhPJUdrL7PztSKE2PmWQI9GfZuTvhiuAltvdB/qQPYdeEXoX8DKtAHvTLCvaOA==
- SPFv=spf1 ip4:71.25.94.209 ip4:18.235.218.127 ip4:8.34.161.0/24 ip4:66.194.82.7 ip4:66.194.82.2 ip4:52.45.86.110 ip4:104.48.96.233 ip4:108.218.213.149 ip4:23.24.232.29 include:spf.protection.outlook.com include:spf.edgepilot.com -all
- 1sEw1XVj88Y4GIf4s7VJK4jWybwCL3BE1oktx/aqw2X4iMyQbq/LjDNByJbE03jGsvgI4I68a/zeMxdgzrDj8Q==
- CAPOYFbcyvIWdAqt3qZuT3o05bB0Ql8tHYKOLv2Wfr1u4uSbZ9P+R/4S3daB1nUHW2wk5ZWAXJItCAHUe7QcWg==
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